| /* |
| * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved. |
| |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * * Neither the name of The Linux Foundation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef __GR_DEVICE_IMPL_H__ |
| #define __GR_DEVICE_IMPL_H__ |
| |
| #include <hardware/gralloc1.h> |
| #include <hardware/hardware.h> |
| #include "gr_buf_mgr.h" |
| |
| struct private_module_t { |
| hw_module_t base; |
| }; |
| |
| #define GRALLOC_IMPL(exp) reinterpret_cast<GrallocImpl const *>(exp) |
| |
| namespace gralloc { |
| |
| class GrallocImpl : public gralloc1_device_t { |
| public: |
| static int CloseDevice(hw_device_t *device); |
| static void GetCapabilities(struct gralloc1_device *device, uint32_t *out_count, |
| int32_t * /*gralloc1_capability_t*/ out_capabilities); |
| static gralloc1_function_pointer_t GetFunction( |
| struct gralloc1_device *device, int32_t /*gralloc1_function_descriptor_t*/ descriptor); |
| |
| static GrallocImpl *GetInstance(const struct hw_module_t *module) { |
| static GrallocImpl *instance = new GrallocImpl(module); |
| if (instance->IsInitialized()) { |
| return instance; |
| } else { |
| return nullptr; |
| } |
| } |
| |
| private: |
| static inline gralloc1_error_t Dump(gralloc1_device_t *device, uint32_t *out_size, |
| char *out_buffer); |
| static inline gralloc1_error_t CheckDeviceAndHandle(gralloc1_device_t *device, |
| buffer_handle_t buffer); |
| static gralloc1_error_t CreateBufferDescriptor(gralloc1_device_t *device, |
| gralloc1_buffer_descriptor_t *out_descriptor); |
| static gralloc1_error_t DestroyBufferDescriptor(gralloc1_device_t *device, |
| gralloc1_buffer_descriptor_t descriptor); |
| static gralloc1_error_t SetConsumerUsage(gralloc1_device_t *device, |
| gralloc1_buffer_descriptor_t descriptor, |
| gralloc1_consumer_usage_t usage); |
| static gralloc1_error_t SetBufferDimensions(gralloc1_device_t *device, |
| gralloc1_buffer_descriptor_t descriptor, |
| uint32_t width, uint32_t height); |
| static gralloc1_error_t SetColorFormat(gralloc1_device_t *device, |
| gralloc1_buffer_descriptor_t descriptor, int32_t format); |
| static gralloc1_error_t SetLayerCount(gralloc1_device_t *device, |
| gralloc1_buffer_descriptor_t descriptor, |
| uint32_t layer_count); |
| static gralloc1_error_t SetProducerUsage(gralloc1_device_t *device, |
| gralloc1_buffer_descriptor_t descriptor, |
| gralloc1_producer_usage_t usage); |
| static gralloc1_error_t GetBackingStore(gralloc1_device_t *device, buffer_handle_t buffer, |
| gralloc1_backing_store_t *out_store); |
| static gralloc1_error_t GetConsumerUsage(gralloc1_device_t *device, buffer_handle_t buffer, |
| gralloc1_consumer_usage_t *out_usage); |
| static gralloc1_error_t GetBufferDimensions(gralloc1_device_t *device, buffer_handle_t buffer, |
| uint32_t *out_width, uint32_t *out_height); |
| static gralloc1_error_t GetColorFormat(gralloc1_device_t *device, buffer_handle_t descriptor, |
| int32_t *outFormat); |
| static gralloc1_error_t GetLayerCount(gralloc1_device_t *device, buffer_handle_t buffer, |
| uint32_t *out_layer_count); |
| static gralloc1_error_t GetProducerUsage(gralloc1_device_t *device, buffer_handle_t buffer, |
| gralloc1_producer_usage_t *out_usage); |
| static gralloc1_error_t GetBufferStride(gralloc1_device_t *device, buffer_handle_t buffer, |
| uint32_t *out_stride); |
| static gralloc1_error_t AllocateBuffers(gralloc1_device_t *device, uint32_t num_dptors, |
| const gralloc1_buffer_descriptor_t *descriptors, |
| buffer_handle_t *out_buffers); |
| static gralloc1_error_t RetainBuffer(gralloc1_device_t *device, buffer_handle_t buffer); |
| static gralloc1_error_t ReleaseBuffer(gralloc1_device_t *device, buffer_handle_t buffer); |
| static gralloc1_error_t GetNumFlexPlanes(gralloc1_device_t *device, buffer_handle_t buffer, |
| uint32_t *out_num_planes); |
| static gralloc1_error_t LockBuffer(gralloc1_device_t *device, buffer_handle_t buffer, |
| gralloc1_producer_usage_t prod_usage, |
| gralloc1_consumer_usage_t cons_usage, |
| const gralloc1_rect_t *region, void **out_data, |
| int32_t acquire_fence); |
| static gralloc1_error_t LockFlex(gralloc1_device_t *device, buffer_handle_t buffer, |
| gralloc1_producer_usage_t prod_usage, |
| gralloc1_consumer_usage_t cons_usage, |
| const gralloc1_rect_t *region, |
| struct android_flex_layout *out_flex_layout, |
| int32_t acquire_fence); |
| |
| static gralloc1_error_t UnlockBuffer(gralloc1_device_t *device, buffer_handle_t buffer, |
| int32_t *release_fence); |
| static gralloc1_error_t Gralloc1Perform(gralloc1_device_t *device, int operation, ...); |
| |
| gralloc1_error_t CreateBufferDescriptorLocked(gralloc1_buffer_descriptor_t *descriptor_id); |
| gralloc1_error_t DestroyBufferDescriptorLocked(gralloc1_buffer_descriptor_t descriptor_id); |
| gralloc1_error_t AllocateBuffer(const gralloc1_buffer_descriptor_t *descriptor_ids, |
| buffer_handle_t *out_buffers); |
| gralloc1_error_t GetFlexLayout(const private_handle_t *hnd, struct android_flex_layout *layout); |
| |
| template <typename... Args> |
| gralloc1_error_t CallBufferDescriptorFunction(gralloc1_buffer_descriptor_t descriptor_id, |
| void (BufferDescriptor::*member)(Args...), |
| Args... args) { |
| std::lock_guard<std::mutex> lock(descriptor_lock_); |
| const auto map_descriptor = descriptors_map_.find(descriptor_id); |
| if (map_descriptor == descriptors_map_.end()) { |
| return GRALLOC1_ERROR_BAD_DESCRIPTOR; |
| } |
| const auto descriptor = map_descriptor->second; |
| (descriptor.get()->*member)(std::forward<Args>(args)...); |
| return GRALLOC1_ERROR_NONE; |
| } |
| |
| explicit GrallocImpl(const hw_module_t *module); |
| ~GrallocImpl(); |
| bool Init(); |
| bool IsInitialized() const { return initialized_; } |
| |
| BufferManager *buf_mgr_ = NULL; |
| bool initialized_ = false; |
| std::mutex descriptor_lock_; |
| std::unordered_map<gralloc1_buffer_descriptor_t, std::shared_ptr<gralloc::BufferDescriptor>> |
| descriptors_map_ = {}; |
| static std::atomic<uint64_t> next_descriptor_id_; |
| }; |
| |
| } // namespace gralloc |
| |
| #endif // __GR_DEVICE_IMPL_H__ |